SWDM240B OPERATION & MAINTENANCE MANUAL
loosen about one circle.
3)Uninstall thin thread (1), nut (2), washer (3) and bolt (4), then put it together safely. And
remove other tightening parts successively.
4)Remove slewing bearing (5), pay attention to fixed protection of servo-frame body.
5)Erect the servo-frame and fix it.
6)Install new slewing bearing along with the level direction and servo-frame body (6) to the
correct position.
7)Fix slewing bearing (5) and servo-frame body at three places, among which is 120°, with nut
(1), nut (2), washer (3), bolt (4).
8)Install nut (1), nut (2), washer (3), bolt (4) onto other mounting hole and tighten as required
torque.
9 )Rotate slewing bearing (5) by hands to check abnormality or stuck, if not smooth, apply
grease to the oil filler.
10)Keep the used servo-frame to a designated place, or install onto the machine.
FIG. 7-5-4 Servo-frame
1. Thin nut 2. Nut 3.Washer 4.Bolt 5.Slewing bearing 6.Servo-frame body
7.5.11 Checking Air Compressor Belt
After working for a certain time, air compressor belt will be slack, that will reduce the rotation,
resulting in bad refrigeration. Thus, it should be checked or changed regularly.